What are the properties of polycarbonate?

PC is an ideal material well known for its versatile characteristics. It is widely used in the industry for its eco-friendly processing and recyclability. It comprises a unique set of chemical and physical properties. This makes it suitable over glass, PMMA, and PE. The key properties of polycarbonates include:

Toughness – Polycarbonate maintains a toughness value between -20°C to 140°C. They are virtually unbreakable.

High Impact Strength – PC has a high strength that makes it resistant to impact and fracture. It provides safety and comfort in applications that demand high reliability and performance. The polymer has a density of 1.2 – 1.22

Transmittance – PC is an extremely clear plastic that can transmit over 90% of light as good as glass. Polycarbonate sheets are available in a wide range of shades. These sheets can be customizable depending on an end-user application.

Lightweight – This feature allows virtually unlimited possibilities for OEMs to design as compared with glass. The property increases efficiency and makes the installation process easier. It also reduces overall transportation costs.

Protection from UV Radiations – Polycarbonates can be designed to block ultraviolet radiation. They provide 100% protection from harmful UV rays.

Optical Nature – For having an amorphous structure, PC offers excellent optical properties. The refractive index of clear polycarbonate is 1.584.

Chemical Resistance – Good chemical resistance against diluted acids, aliphatic hydrocarbons, and alcohols. It shows moderate resistance against oils and greases. PC is readily attacked by diluted alkalis, aromatic, and halogenated hydrocarbons. Manufacturers recommend cleaning PC using agents which do not affect their chemical nature. It is sensitive to abrasive alkaline cleaners.

Heat Resistance – Polycarbonates have high heat resistance. They are thermally stable up to 135°C. Further heat resistance can be improved by adding flame retardants without impacting material properties.

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